def approx_lwr_batch(self):
model = LWR(nb_features=10)
self.make_nonlinear_batch_data()
start = time.process_time()
model.train_lwls(self.x_data, self.y_data)
print("LWR time:", time.process_time() - start)
model.plot(self.x_data, self.y_data)
